Argentina's National Council for Scientific and Technical Research (Conicet) has identified in the Buenos Aires Metropolitan Area (AMBA) and in the country's northwestern provinces genetic mutations in the Aedes aegypti mosquito (carrier of the dengue virus) that turned them resistant to normally lethal doses of pesticides, the national news agency Telam reported amid a dengue outbreak, which has resulted in 129,150 cases and 65 deaths over the past 12 months.
The World Health Organization (WHO) is to train more than 6,000 healthcare professionals to assist Peru in the dengue epidemic, WHO Director-General Tedros Adhanom Ghebreyesus announced Wednesday. Peru is experiencing one of its worst dengue crises, with 81,202 confirmed cases and at least 193 deaths.
Scientists in Brazil are working on a large-scale mosquito factory in a move to protect up to 70 million people from viruses such as dengue, it was reported by the journal Nature.
Paraguayan health authorities last week confirmed at least 90 deaths this year had been caused by chikungunya fever, while Uruguay detected its first imported case of the malady. One more case was also confirmed in the last days of 2022, according to the latest report from Paraguay's Health Ministry released on Friday.
Uruguayan health authorities have issued a series of recommendations to nationals of the South American country traveling abroad, particularly to Argentina, for the Easter Weekend due to a surge in the number of dengue cases detected in the neighboring nation. Health Minister Karina Rando stressed that those returning from that country and from Brazil should be attentive to possible symptoms for 10 or 12 days.
Health authorities in the Argentine province of Tucumán Tuesday reported three more deaths due to dengue, which after last week's casualties, brings the total number of fatalities to six nationwide.
Sanitary workers in the newly-created county of Fracrán in the Argentine province of Misiones have undertaken a house-by-house campaign to persuade people to get vaccinated against yellow fever, Covid-19, and measles, while residents were advised to up their precautions due to the increasing number of cases in neighboring Paraguay, where the first death due to chikungunya has been reported.
Brazilian health authorities Tuesday announced the number of probable cases of dengue fever nationwide had nearly doubled since the beginning of the year compared to the same period in 2021.
Covid 19 might not be a priority in Argentina at the moment, although there are some cases under observation, but what is really threatening is the mosquito-transmitted dengue with 152 cases confirmed in the province of Buenos Aires and some 3.000 in the northern provinces of Misiones and Corrientes.
Mercosur health ministers will be holding an urgent meeting this week in Paraguay to address the spread of dengue, the outbreak of measles and the possible arrival of the China coronavirus to the region.